11418172736 has 28 divisors (see below), whose sum is σ = 22666551060. Its totient is φ = 5706915840.

The previous prime is 11418172673. The next prime is 11418172741. The reversal of 11418172736 is 63727181411.

It can be written as a sum of positive squares in 2 ways, for example, as 8508217600 + 2909955136 = 92240^2 + 53944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11418172693 and 11418172702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142880 + ... + 207968.

Almost surely, 2^11418172736 is an apocalyptic number.

11418172736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11418172736 is a deficient number, since it is larger than the sum of its proper divisors (11248378324).

11418172736 is an equidigital number, since it uses as much as digits as its factorization.

11418172736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67842 (or 67832 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The spelling of 11418172736 in words is "eleven billion, four hundred eighteen million, one hundred seventy-two thousand, seven hundred thirty-six".